Merge bitcoin#29856: ci: Bump s390x to ubuntu:24.04

fadf7e9 ci: Bump s390x to ubuntu:24.04 (MarcoFalke)

Pull request description:

  Now that most other CI tasks are rolled to 24.04, roll this one as well.
  Also, re-enable feature_init.

ACKs for top commit:
  fanquake:
    ACK fadf7e9 - finished running after ~5 hours.

Tree-SHA512: d69f40227ba982eaaccc1e144ba05d3c8c4a096ac401077df3db5cf3276d1e146a438e4e0237dda876b3644fc7f0accd724a19e3c1cdb94c30c679899137280e

Author: fanquake

ci/test/00_setup_env_s390x.sh

@@ -9,8 +9,8 @@ export LC_ALL=C.UTF-8
 export HOST=s390x-linux-gnu
 export PACKAGES="python3-zmq"
 export CONTAINER_NAME=ci_s390x
-export CI_IMAGE_NAME_TAG="docker.io/s390x/debian:bookworm"
-export TEST_RUNNER_EXTRA="--exclude feature_init,rpc_bind,feature_bind_extra"  # Excluded for now, see https://github.com/bitcoin/bitcoin/issues/17765#issuecomment-602068547
+export CI_IMAGE_NAME_TAG="docker.io/s390x/ubuntu:24.04"
+export TEST_RUNNER_EXTRA="--exclude rpc_bind,feature_bind_extra"  # Excluded for now, see https://github.com/bitcoin/bitcoin/issues/17765#issuecomment-602068547
 export RUN_FUNCTIONAL_TESTS=true
 export GOAL="install"
 export BITCOIN_CONFIG="--enable-reduce-exports"